Hi Trevor and All:
 
>Irradiation is a very good tool for sterilising equipment that has been AFB
>affected.  Incidentally, chalkbrood needs a greater dose rate to kill it
>than does AFB.
 
Interesting.  What is the response of chalkbrood to other methods of
sterilization?  For example, if you are using acetic acid fumigation to
sterilize for nosema, what will the effect be on chalkbrood?
 
Regards, Stan